Add VHDL Support & Newer Verilog Linters (#2229)

* Added VHDL file support with ghdl compiler
* Update ghdl.vim
* Create vcom.vim
* Create xvhdl.vim
* Update xvlog.vim
* Added documentation for VHDL & Verilog linters
* Added tests to VHDL & Verilog linters

1 files changed, 19 insertions, 0 deletions

diff --git a/test/command_callback/test_xvlog_command_callbacks.vader b/test/command_callback/test_xvlog_command_callbacks.vader
new file mode 100644
index 00000000..564ac979
--- /dev/null
+++ b/test/command_callback/test_xvlog_command_callbacks.vader
@@ -0,0 +1,19 @@
+Before:
+  call ale#assert#SetUpLinterTest('verilog', 'xvlog')
+
+After:
+  unlet! b:command_tail
+
+  call ale#assert#TearDownLinterTest()
+
+Execute(The executable should be configurable):
+  AssertLinter 'xvlog', ale#Escape('xvlog') . '  %t'
+
+  let b:ale_verilog_xvlog_executable = 'foobar'
+
+  AssertLinter 'foobar', ale#Escape('foobar') . '  %t'
+
+Execute(The options should be configurable):
+  let b:ale_verilog_xvlog_options = '--something'
+
+  AssertLinter 'xvlog', ale#Escape('xvlog') . '  --something %t'